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Finding the Fourth Proportional to 950.32, 1,426.06 and 402.48

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Solution

The fourth proportional to 950.32, 1,426.06 and 402.48 is: 603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.32 : 1,426.06 = 402.48 : x
  2. Step 2: Convert to fraction form
    950.32/1,426.06 = 402.48/x
  3. Step 3: Cross multiply
    950.32x = 1,426.06 × 402.48
  4. Step 4: Simplify right side
    950.32x = 573,960.63
  5. Step 5: Solve for x
    x = 573,960.63/950.32
  6. Step 6: Final answer
    x = 603.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.